Disabled LIP in the distributed version.
Project: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/commit/95be4690 Tree: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/tree/95be4690 Diff: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/diff/95be4690 Branch: refs/heads/dist-patch Commit: 95be46902a365ba963f64e2a2aade794378b5875 Parents: 88bc03b Author: Zuyu Zhang <zu...@apache.org> Authored: Sun Feb 12 17:48:53 2017 -0800 Committer: Zuyu Zhang <zu...@apache.org> Committed: Wed Mar 1 14:43:02 2017 -0800 ---------------------------------------------------------------------- query_optimizer/PhysicalGenerator.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/95be4690/query_optimizer/PhysicalGenerator.cpp ---------------------------------------------------------------------- diff --git a/query_optimizer/PhysicalGenerator.cpp b/query_optimizer/PhysicalGenerator.cpp index ac51c31..ca6db3f 100644 --- a/query_optimizer/PhysicalGenerator.cpp +++ b/query_optimizer/PhysicalGenerator.cpp @@ -59,7 +59,7 @@ DEFINE_bool(reorder_hash_joins, true, "cardinality and selective tables to be joined first, which is suitable " "for queries on star-schema tables."); -DEFINE_bool(use_filter_joins, true, +DEFINE_bool(use_filter_joins, false, "If true, apply an optimization that strength-reduces HashJoins to " "FilterJoins (implemented as LIPFilters attached to some anchoring " "operators. Briefly speaking, in the case that the join attribute has " @@ -67,7 +67,7 @@ DEFINE_bool(use_filter_joins, true, "build a BitVector on the build-side attribute and use the BitVector " "to filter the probe side table."); -DEFINE_bool(use_lip_filters, true, +DEFINE_bool(use_lip_filters, false, "If true, use LIP (Lookahead Information Passing) filters to accelerate " "query processing. LIP filters are effective for queries on star schema " "tables (e.g. the SSB benchmark) and snowflake schema tables (e.g. the "
